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Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives

From Christoph Hellwig <hch@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives
Date 2016-06-24 10:20 +0200
Message-ID <rNuvf-5Ca-7@gated-at.bofh.it> (permalink)
References <rLUat-pE-3@gated-at.bofh.it> <rM99w-1sR-25@gated-at.bofh.it>
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On Mon, Jun 20, 2016 at 11:26:39AM -0400, Keith Busch wrote:
> This is ATA security, though, so wouldn't ATA also benefit from this? The
> payload setup/decoding should then go in a generic library for everyone.

In principiple sharing this code would be fine, but right now the
actual ATA specific code is totally trivial.  Maybe we can have the
line of checking the actual data that we get from the ATA-specific
security send into a inline helper, but otherwise the to be shared bits
are mostly constants.

> Similar was said about the patch adding OPAL security to the NVMe driver:
> 
>   http://lists.infradead.org/pipermail/linux-nvme/2016-April/004428.html

OPAL is a lot more complex than checking this locked bit..

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[PATCH 0/3] nvme: Don't add namespaces for locked drives Jethro Beekman <kernel@jbeekman.nl> - 2016-06-20 01:20 +0200
  Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives Sagi Grimberg <sagigrim@gmail.com> - 2016-06-20 09:00 +0200
    Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives Christoph Hellwig <hch@infradead.org> - 2016-06-24 10:10 +0200
  Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives Keith Busch <keith.busch@intel.com> - 2016-06-20 17:20 +0200
    Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives Jethro Beekman <kernel@jbeekman.nl> - 2016-06-20 21:10 +0200
      Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives Keith Busch <keith.busch@intel.com> - 2016-06-21 01:00 +0200
        Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives Jethro Beekman <kernel@jbeekman.nl> - 2016-06-21 06:00 +0200
          Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives Christoph Hellwig <hch@infradead.org> - 2016-06-24 09:50 +0200
    Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives Christoph Hellwig <hch@infradead.org> - 2016-06-24 10:20 +0200
  Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives Christoph Hellwig <hch@infradead.org> - 2016-06-24 09:40 +0200
    Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives Jethro Beekman <kernel@jbeekman.nl> - 2016-06-24 09:50 +0200
      Re: [PATCH 0/3] nvme: Don't add namespaces for locked drives Christoph Hellwig <hch@infradead.org> - 2016-06-24 10:10 +0200

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